<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-02-07T12:45:37-05:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>251400745</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>KLINE KEPPEL &amp; KORYAK PC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>611 WILLIAM PENN PLACE STE 302</AddressLine1Txt>
        <CityNm>PITTSBURGH</CityNm>
        <StateAbbreviationCd>PA</StateAbbreviationCd>
        <ZIPCd>152191815</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>852128687</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MARS HOCKEY INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MARS</BusinessNameControlTxt>
      <PhoneNum>7247877829</PhoneNum>
      <USAddress>
        <AddressLine1Txt>431 ARBOR DRIVE</AddressLine1Txt>
        <CityNm>MARS</CityNm>
        <StateAbbreviationCd>PA</StateAbbreviationCd>
        <ZIPCd>16046</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JAMES VAN HORN</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>7247877829</PhoneNum>
      <SignatureDt>2024-01-26</SignatureDt>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>JAMES</PersonFirstNm>
        <PersonLastNm>VAN HORN</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>CRAIG A KORYAK CPA</PreparerPersonNm>
      <PTIN>P00282844</PTIN>
      <PhoneNum>4122811901</PhoneNum>
      <PreparationDt>2024-02-07</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc3">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.MARSHOCKEYCLUB.COM</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>174559</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>8450</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>143706</ProgramServiceRevenueAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc2">22403</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>11849</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>10554</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>162710</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>14671</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>64047</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>66931</OtherExpensesTotalAmt>
      <TotalExpensesAmt>145649</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>17061</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>64984</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>82045</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>64984</BOYAmt>
        <EOYAmt>82045</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>64984</BOYAmt>
        <EOYAmt>82045</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>64984</BOYAmt>
        <EOYAmt>82045</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>TO SUPPORT AND DEVELOP AMATEUR ATHLETES FOR NATIONAL AND INTERNATIONAL ATHLETIC COMPETITIONS AND ENCORAGE GROWTH OF THE SPORT.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>TRAVEL AMATEUR HOCKEY PROGRAMS. APPROXIMATELY 70 YOUTHS PARTICIPATING</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>142807</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>142807</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JAMES VAN HORN</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEFF RUSHE</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SARAH MATUSEK</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>RICHARD STEVENSON</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BRIAN CROWLEY</PersonNm>
        <TitleTxt>REGISTRAR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOSH ROSSWOG</PersonNm>
        <TitleTxt>PIHL REP</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PAT ANDRE</PersonNm>
        <TitleTxt>HOCKEY DEV D</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>NEIL BOSSOLA</PersonNm>
        <TitleTxt>DIR OF COACH</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEFF MITCHELL</PersonNm>
        <TitleTxt>PAST PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>JAMES VAN HORN</PersonNm>
        <USAddress>
          <AddressLine1Txt>431 ARBOR DRIVE</AddressLine1Txt>
          <CityNm>MARS</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>16046</ZIPCd>
        </USAddress>
        <PhoneNum>7247877829</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc4">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus3YearsAmt>21433</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>7350</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>7650</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8450</CurrentTaxYearAmt>
        <TotalAmt>44883</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus3YearsAmt>102713</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>123591</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>150177</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>166109</CurrentTaxYearAmt>
        <TotalAmt>542590</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus3YearsAmt>124146</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>130941</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>157827</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>174559</CurrentTaxYearAmt>
        <TotalAmt>587473</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>587473</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus3YearsAmt>124146</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>130941</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>157827</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>174559</CurrentTaxYearAmt>
        <TotalAmt>587473</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="RetDoc2">
      <FundraisingEventInformationGrp>
        <Event1Nm>FUNDRAISING</Event1Nm>
        <GrossReceiptsEvent1Amt>22403</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>22403</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>11849</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>22403</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>22403</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>11849</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>11849</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>10554</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES OFFICE 1,510 BANK CHARGES 432 BANNERS 212 CERTIFICATIONS 81 COACH JACKETS 356 CORP FEES 125 DEVO PROGRAM 12,760 EQUIPMENT 5,482 GOLF OUTING 695 JV PLAYOFF TOURNAMENT 1,725 MIDDLE SCHPLAYOFF TOURNAM 1,100 REFEREE 230 REGISTRATION/ASSESSMENT 31,745 SENIOR NIGHT 494 SENIOR SCHOLARSHIP 500 TOURNAMENT EXPENSES 2,250 YEAR END BANQUET 7,234 TOTAL 66,931</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>TO SUPPORT AND DEVELOP AMATEUR ATHLETES FOR NATIONAL AND INTERNATIONAL ATHLETIC COMPETITIONS AND ENCORAGE GROWTH OF THE SPORT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
